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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_LOGFILE_H
#define NETDATA_LOGFILE_H
#include "metadatalogprotocol.h"
#include "../rrdengine.h"
/* Forward declarations */
struct metadata_logfile;
struct metalog_worker_config;
#define METALOG_PREFIX "metadatalog-"
#define METALOG_EXTENSION ".mlf"
/* only one event loop is supported for now */
struct metadata_logfile {
unsigned fileno; /* Starts at 1 */
unsigned starting_fileno; /* 0 for normal files, staring number during compaction */
uv_file file;
uint64_t pos;
struct metalog_instance *ctx;
struct metadata_logfile *next;
};
struct metadata_logfile_list {
struct metadata_logfile *first; /* oldest */
struct metadata_logfile *last; /* newest */
};
extern void generate_metadata_logfile_path(struct metadata_logfile *metadatalog, char *str, size_t maxlen);
extern int rename_metadata_logfile(struct metadata_logfile *metalogfile, unsigned new_starting_fileno,
unsigned new_fileno);
extern int unlink_metadata_logfile(struct metadata_logfile *metalogfile);
extern int load_metadata_logfile(struct metalog_instance *ctx, struct metadata_logfile *logfile);
extern int init_metalog_files(struct metalog_instance *ctx);
#endif /* NETDATA_LOGFILE_H */
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